Breathing apparatus



FIG. 1 is a perspective view of the breathing apparatus;

FIG. 2 is a front view of the breathing apparatus;

FIG. 3 is a back view of the breathing apparatus;

FIG. 4 is a right side view of the breathing apparatus;

FIG. 5 is a left side view of the breathing apparatus;

FIG. 6 is a bottom view of the breathing apparatus; and,

FIG. 7 is a top view of the breathing apparatus. 

CLAIM I claim the ornamental design for a breathing apparatus, as shown and described. 